In order to add terms to the Logos Dictionary, register first as a Professional User.
Once you are registered, you can connect to the Logos Dictionary as a Professional User and the terms you add will be highlighted as "*your_term??", waiting for approval by the Logos Team.
If you want to be a new collaborator, please contact us and indicate your language combination, mail to: webmaster@logos.net
Anyway, we thank you for your interest and invite you to try all our free linguistic tools at: www.logos.it